int i;
int &j=i;//j refers to i ;j指向i
i = 1;
j = 2;
cout << i << " "<< j <<endl;
输出
2 2
一个关于引用的问题
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2023-04-11
int i;
int &j=i;//j refers to i ;j指向i
i = 1;
j = 2;
cout << i << " "<< j <<endl;
输出
2 2
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